Home/CVE/The shell subsystem contains a buffer overflow, whereby an adversary with physical access to the device is able to cause
CVE

CVE-2020-10023

The shell subsystem contains a buffer overflow, whereby an adversary with physical access to the device is able to cause

The shell subsystem contains a buffer overflow, whereby an adversary with physical access to the device is able to cause a memory corruption, resulting in denial of service or possibly code execution within the Zephyr kernel. See NCC-NCC-019 This issue affects: zephyrproject-rtos zephyr version 1.14.0 and later versions. version 2.1.0 and later versions.

MEDIUM · CVSS 6.9 EPSS 0.0038
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
▤

Affected Products & Versions

1
zephyrproject zephyrall versions
▣

Scoring & Timeline

6.9
MEDIUM · CVSS v3.1 · vulnerabilities@zephyrproject.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 May 2020 · 11:15 PM
CVSS VectorCVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10023
https://github.com/zephyrproject-rtos/zephyr/pull/23304PatchThird Party Advisory
https://github.com/zephyrproject-rtos/zephyr/pull/23646PatchThird Party Advisory
https://github.com/zephyrproject-rtos/zephyr/pull/23649PatchThird Party Advisory
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-29Third Party Advisory
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